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Find cheap flights from Illinois to Stewart Intl. from $136

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to New Windsor departing on 5/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 5/25
Sat 6/1

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In the last 7 days travelers have searched 44,979,812 times on KAYAK, and here is why:

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Good to know

Low season

August

High season

July

Cheapest flight

$136
Best time to beat the crowds but there is an average 18% increase in price.
Most popular time to fly with an average 11% increase in price.
Flight from St. Louis to New Windsor

FAQs for booking flights from Illinois to Stewart Intl.

  • How does KAYAK find such low prices on flights from Illinois to Stewart Intl.?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Stewart Intl..

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Stewart Intl.?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Stewart Intl. from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Stewart Intl.?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Stewart Intl. with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Stewart Intl.?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Stewart Intl. from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Illinois to New Windsor?

Find which airlines fly direct from Illinois to Stewart, which days they fly and book direct flights.

Nonstop departures

Illinois to New Windsor Stewart

Monday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

Tuesday

PLAY

PLAY

Wednesday

PLAY, Allegiant Air

PLAY, Allegiant Air

Thursday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

Friday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

Saturday

PLAY, Allegiant Air

PLAY, Allegiant Air

Sunday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

See more direct flights

Nonstop returns

New Windsor Stewart to Illinois

Monday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

Tuesday

PLAY

PLAY

Wednesday

PLAY, Allegiant Air

PLAY, Allegiant Air

Thursday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

Friday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

Saturday

PLAY, Allegiant Air

PLAY, Allegiant Air

Sunday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

See more direct flights
See more direct flights

Book cheap flights from Illinois to Stewart Intl.

Recent one-way flight deals

5/4Sat
1 stop
21h 06mSTL-SWF
$136
6/1Sat
1 stop
13h 38mORD-SWF
$148
6/5Wed
2 stops
21h 44mORD-SWF
$149
5/19Sun
2 stops
24h 08mORD-SWF
$155
6/5Wed
1 stop
14h 29mORD-SWF
$158
6/5Wed
3 stops
21h 44mORD-SWF
$162
5/19Sun
2 stops
24h 08mORD-SWF
$165
5/2Thu
2 stops
24h 28mORD-SWF
$198
5/2Thu
2 stops
30h 06mORD-SWF
$200
5/2Thu
3 stops
27h 26mORD-SWF
$208

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Flights to Stewart Intl.

Destination:

Stewart Intl. (SWF)United States

Return flight deals:

Stewart Intl. - Illinois

Cabin classes: